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[函数] 三角函数恒成立问题

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敬畏数学 posted 2020-3-11 22:31 |Read mode
Last edited by 敬畏数学 2020-3-12 10:34$f(x)=e^x(x+\sin x-\cos x) ,g(x)=1-\sin x$,任意$x\geqslant 0,f(x)+mg(x)\geqslant 0 $,求$m$范围

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facebooker posted 2020-3-12 01:13
带入$x=0,m\geqslant 1$

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